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The organizations will promote evidence-informed decisions togetherThe Pan American Health Organization (PAHO) and Campbell agreed to collaborate on improving the quality and availability of research that guides decisions relevant to health systems and social determinants of health, especially those relevant towards achieving universal health and the United Nations Sustainable Development Goals, in the region of the Americas.

Our major sponsor passing the batonThe Norwegian Institute for Public Health has been key to the success and stability of Campbell since 2008, but the contract for this support is nearing conclusion. Becoming a major donor is an opportunity for a funding organisation or individual to ensure the continuity and growth of Campbell as a well-respected and increasingly influential research non-profit. Outreach, citations, partnerships with civil and governmental organisations, and production are at a historical high.

An article by Vivian Welch and Julia Littell focuses on Campbell Collaboration's citation rates, using Google scholar and other measures. "Our google scholar citation journal impact factor was 4.95 in 2017, calculated as the total citations in 2017 to each of 29 reviews published in 2015 and 2016, divided by the number of reviews.This calculation approximates the journal impact factor calculation. This bodes well for our journal impact factor, which we are currently seeking." Read the article to see how the authors further demonstrate Campbell's excellent academic citation rate.

In our latest blog articlewe hear from a senior researcher and statistician who has published 13 Campbell systematic reviews since 2012. Three of the reviews published this year have examined controversial subjects such as the effect of class sizes on student achievement, the impact of military deployment on soldiers' mental health, and the effect of reduced unemployment benefit duration on job-finding rates.

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Latest Campbell Evidence

Mindfulness training improves health and quality of life for adultsMindfulness Based Stress Reduction is a group-based health promotion intervention to improve health and the way people deal with stress and life’s challenges. The core ingredient is mindfulness training through physical and mental exercises practiced daily for eight weeks. The mindful non-judgmental attitude of being present with what arises is practiced in the formal exercises and in everyday situations. This review assesses the effect of MBSR programs on outcome measures of mental and physical health, quality of life and social functioning in adults.

Treatment of sexual offenders reduces reoffending, but more research needed to identify effective interventionsSexual offender treatment programs to reduce reoffending have been implemented in many countries as part of a strategy in managing this offender group. However, there are still controversies regarding their effectiveness. This review integrates findings from six experimental and 21 quasi-experimental studies that compare groups of treated sexual offenders with equivalent control groups. These studies tested whether treated sexual offenders differed from the control groups in sexual and other reoffending.

Later school start times may produce benefits for students but more evidence is neededLater school start times have been implemented around the world as a means of avoiding the potentially negative impacts that early morning schedules can have on adolescent students. Even mild sleep deprivation has been associated with significant health and educational concerns: increased risk for accidents and injuries, impaired learning, aggression, memory loss, poor selfesteem, and changes in metabolism. This review examines the effects of later start times on these outcomes.

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Featured Review

Overly punitive responses to youth misconduct may have the unintended consequence of increasing the likelihood of future delinquency; yet, overly lenient responses may fail to serve as a corrective for the misbehavior. Police diversion schemes are a collection of strategies police can apply as an alternative to court processing of youth. Police-initiated diversion schemes aim to reduce reoffending by steering youth away from deeper penetration into the criminal justice system and by providing an alternative intervention that can help youth address psychosocial development or other needs that contribute to their problem behavior.

The general pattern of evidence is positive, suggesting that police-led diversion reduces the future delinquent behavior of low-risk youth relative to traditional processing. Assuming a 50 percent reoffending rate for the traditional processing condition, the results suggest a reoffending rate of roughly 44 percent for the diverted youth. This overall benefit of diversion holds for the random assignment studies judged to be free from any obvious risks of bias. The findings from this systematic review support the use of police-led diversion for low-risk youth with limited or no prior involvement with the juvenile justice system. Thus, police departments and policy-makers should consider diversionary programs as part of the mix of solutions for addressing youth crime.

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